FIX: MFCN30.DLL and MFCN30D.DLL Not Copied with Win32S Setup (129782)


The information in this article applies to:

  • The Microsoft Foundation Classes (MFC), when used with:
    • Microsoft Visual C++, 32-bit Professional Edition 2.1
This article was previously published under Q129782

SYMPTOMS

An attempt to run an MFC application that uses the socket classes generates the following File Error under Win32s:
Cannot find MFCN30D.DLL
Then when you click the Close button, the following error appears:
Cannot Run Program
Unexpected error: 21.
NOTE: A release build of an application would list MFCN30.DLL instead of MFCN30D.DLL in the first message box.

CAUSE

The Win32S setup included on the Visual C++ CD does not copy MFCN30.DLL or MFCN30D.DLL.

RESOLUTION

Copy MFCN30.DLL and MFCN30D.DLL from the CD to the WINDOWS\SYSTEM directory of the Win32S machine:

  • MFCN30.DLL can be found on the CD in this directory: \MSVC20\REDIST
  • MFCN30D.DLL can be found on the CD in this directory: \MSVC20\DEBUG
If your application has a set-up program, make sure it also copies these files.

STATUS

Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. This problem was corrected in Microsoft Visual C++, 32-bit Edition, version 2.2.
Modification Type:MajorLast Reviewed:10/24/2003
Keywords:kbbug kbfix kbsetup kbWinsock KB129782
©2003 Microsoft Corporation. All rights reserved.